Marcin Gomulkiewicz Miroslaw Kutylowski Hamming Weight Attacks on Cryptographic Hardware - Breaking Masking Defense. 90-103 2002 conf/esorics/2002 ESORICS http://dx.doi.org/10.1007/3-540-45853-0_6 db/conf/esorics/esorics2002.html#GomulkiewiczK02